/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification of Java bytecode.
 *
 * Copyright (c) 2002-2018 GuardSquare NV
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package proguard.classfile.visitor;

import proguard.classfile.*;

/**
 * This visitor clears the specified access flags of the program classes and class members that its visits.
 *
 * @see ClassConstants
 *
 * @author Eric Lafortune
 */
public class MemberAccessFlagCleaner implements ClassVisitor, MemberVisitor {
    private final int accessFlags;

    /**
     * Creates a new MemberAccessFlagCleaner.
     * 
     * @param accessFlags the member access flags to be cleared.
     */
    public MemberAccessFlagCleaner(int accessFlags) {
        this.accessFlags = accessFlags;
    }

    // Implementations for ClassVisitor.

    public void visitProgramClass(ProgramClass programClass) {
        programClass.u2accessFlags &= ~accessFlags;
    }

    public void visitLibraryClass(LibraryClass libraryClass) {
        libraryClass.u2accessFlags &= ~accessFlags;
    }

    // Implementations for MemberVisitor.

    public void visitLibraryField(LibraryClass libraryClass, LibraryField libraryField) {}

    public void visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod) {}

    public void visitProgramField(ProgramClass programClass, ProgramField programField) {
        programField.u2accessFlags &= ~accessFlags;
    }

    public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod) {
        programMethod.u2accessFlags &= ~accessFlags;
    }
}
